1.
|
København : Ex Tuto Publishing, 2019.
English | N 631 BLO.C |
|
2.
|
Barcelona : Huygens Editorial, SLNE, 2006.
Spanish | N 172 ALAI.D (2006) |
|
3.
|
Geneva, Switzerland : International Labour Office, 1987.
|
4.
|
Genève, Switzerland : Schulthess, 2013.
|
5.
|
Frederick, MD : Sold and distributed in North, Central and South America by Aspen Publishers, Inc., [2008]
English | F 641 TOR.I |
|
6.
|
Oxford : Hart Publishing, c.2007.
English | F 630 HEA.I |
|
7.
|
Paris : Litec, 2006.
French | F 21 IPR.L |
|
8.
|
Geneva, Switzerland : Schulthess, 2020.
|
9.
|
Geneva, Switzerland : Schulthess, 2019.
|
10.
|
Geneva, Switzerland : Schulthess, 2018
|